Article
Chemistry, Multidisciplinary
Ying Wang, Zhengxuan Wei, Tongtai Ji, Ruobing Bai, Hongli Zhu
Summary: This paper presents a novel ionogel with exceptional ionic conductivity, mechanical stretchability, and toughness, achieved through ion impregnation and solvent exchange. The ionogel exhibits high mechanical performance and ion conductivity, making it suitable for applications in flexible and wearable electronics.
Article
Chemistry, Physical
Guoxuan Zhu, Hua Li, Meiling Peng, Guiyan Zhao, Jianwen Chen, Yutian Zhu
Summary: The study presents a new multimodal sensor based on porous conductive polymer composites, which demonstrates ultralow detection limit and ultrawide sensing range. The sensor has tremendous potentials in detecting strain, pressure, temperature, and even monitoring respiration.
Article
Chemistry, Physical
Seoungwoong Park, Jaekwang Song, Tae Kyung Kim, Kwang-Hun Choi, Seok-Ki Hyeong, Minchul Ahn, Hwa Rang Kim, Sukang Bae, Seoung-Ki Lee, Byung Hee Hong
Summary: This study demonstrates an omnidirectionally stretchable MoS2 platform with laser-induced strained structures. The platform has great potential for applications in wearable technology, including logic devices and sensors.
Article
Nanoscience & Nanotechnology
Ping Zhang, Weiyu Zhou, Yunfeng He, Ziyi Xu, Maochun Li, Wei Hong, Canhui Yang
Summary: The study introduces a new type of hyperelastic adhesive (HEAs) that combines hyperelasticity and adhesiveness by assigning them to the bulk and surface of a polymer network, respectively. The resulting HEA demonstrates low hysteresis, high adhesion energy, optical transparency, and mechanical stability, enabling various applications. This generic strategy opens new avenues for the development of stretchable and resilient adhesives.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Review
Chemistry, Physical
Guangwei Shao, Rui Yu, Nanliang Chen, Meidan Ye, Xiang Yang Liu
Summary: This review comprehensively discusses the advantages, preparation strategies, and interface issues of stretchable supercapacitors, introduces the research progress of multifunctional stretchable supercapacitors, and highlights the challenges and possible solutions for future development.
Article
Materials Science, Multidisciplinary
Huan-Wei Lin, Chia-Wei Chang, Hsun-Hao Hsu, Jiun-Tai Chen
Summary: This study presents highly stretchable and photomodulated PEDOT:PSS/PVA composite films with improved mechanical strength and controllable conductivity. By incorporating water-soluble PVA and physically cross-linking PEDOT:PSS and PVA using acetone as bad solvent for the polymers, the films achieve a maximum strain of nearly 770%. The addition of spiropyran as a secondary dopant enables the reversible control of PEDOT:PSS conductivity through photochromic properties. The findings highlight the potential of these composite films for various applications, offering stretchability and tunable conductivity.
ACS APPLIED POLYMER MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Myeungwoo Ryu, Jaeik Kim, Seungwoo Lee, Jeonghyun Kim, Taeseup Song
Summary: Stretchable devices allow for expanded applications in flexible displays and wearable devices/sensors, requiring methods for connecting unit devices and developing circuits. The development of a highly transparent PDMS-CNC composite paper has demonstrated excellent flexibility and stretchability, making it a suitable substrate for patterning circuits in flexible devices. The composite paper has shown to maintain high transparency, withstand large tensile strains, and only experience minor increase in resistance after deformation, making it a promising technology for fabricating electrical components in wearable and flexible electronics.
ADVANCED MATERIALS TECHNOLOGIES
(2021)
Article
Chemistry, Multidisciplinary
Xingyi Dai, Yinghui Wu, Qihua Liang, Jingkun Yang, Long-Biao Huang, Jie Kong, Jianhua Hao
Summary: This article introduces an entirely intrinsic self-healing, stretchable, and attachable multimodal sensor that can be integrated with soft robots to identify diverse signals. The sensor is designed with dynamic bonds cross-linked networks and has good reliability and prolonged lifespan. With the self-adhesiveness of the hydrogel, it can be strongly bonded to various surfaces, enabling conformable integration with robots. The sensor can detect strain and temperature based on piezoresistive and thermoresistive effect, and can also achieve self-powered sensing in triboelectric mode. It holds great promise in the fields of environmental detection, wearable devices, human-machine interfacing, and robotics.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Seungse Cho, Dong-hee Kang, Hyejin Lee, Minsoo P. Kim, Saewon Kang, Ravi Shanker, Hyunhyub Ko
Summary: The integration of displays with sound generation systems has led to the development of stretchable sound-in-display devices that can generate sound and color simultaneously. The fabricated device demonstrates robust performance in electroluminescence and sound generation, making it suitable for IoT and human-machine interface applications.
Article
Energy & Fuels
Dan Lv, Dianyi Liu
Summary: This study presents the fabrication of intrinsically stretchable fiber-shaped organic solar cells (FOSCs) using a polymer-based active layer. The all-polymer FOSCs demonstrate superior intrinsic stretchability, maintaining over 90% of the initial efficiency under a stretch strain of 50%. By incorporating SEBS elastomer, the FOSCs can withstand ultrahigh stretch strains of over 80% and retain 90% of the initial efficiency after 1000 stretching cycles.
Article
Nanoscience & Nanotechnology
Dandan Pei, Chuanbin An, Bin Zhao, Mengke Ge, Zhongli Wang, Weijia Dong, Cheng Wang, Yunfeng Deng, Dongpo Song, Zhe Ma, Yang Han, Yanhou Geng
Summary: This article reports a stretchable semiconductor PU(DPP)(x) with large elastic recovery and high mechanical performance in thin film state, which shows potential for stretchable electronics.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Engineering, Biomedical
Qinyi Zhao, Ming Zhu, Gongwei Tian, Cuiyuan Liang, Zhiyuan Liu, Jianping Huang, Qianheng Yuan Yu, Shuanglong Tang, Jianhui Chen, Xizheng Zhao, Qi Zeng, Chongshen Guo, Dianpeng Qi
Summary: Flexible electrode array is an important tool for communication between living tissues and external electronics. However, current advances in flexible neural microelectrodes are limited by high impedance and poor mechanical consistency. In this study, a highly sensitive and omnidirectionally stretchable polymeric electrode array (PEA) is introduced, which significantly reduces impedance and has good mechanical properties. The PEA is capable of withstanding mechanical loads and successfully recording electrophysiological signals from a rat. This research provides new insights for the practical application of flexible neural electrodes.
ADVANCED HEALTHCARE MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
X. Lin, X. Li, Z. Zhang, X. Li, W. Zhang, J. Xu, K. Song
Summary: In this study, a water-based conductive ink was used to develop micro-supercapacitors based on carbon nanotubes and manganese dioxide on stretchable fabric through screen printing. The assembled devices exhibited high electrochemical performance and good retention under stretching and bending conditions.
MATERIALS TODAY CHEMISTRY
(2023)
Article
Materials Science, Multidisciplinary
Lili Jiang, Youjian Li, Fa Zou, Donglin Gan, Mingyuan Gao, Le Yuan, Qinyong Zhang, Xiong Lu
Summary: Researchers designed a highly self-adhesive and deformable polyacrylamide-based hydrogel electrode with the inspiration of mussels. By incorporating nanofillers with confined nanospace formed by the composite of polydopamine-reduced graphene oxide and cobalt-nickel bimetal oxide and cobalt nitride, the hydrogel electrode exhibited impressive self-adhesive property and electrochemical performance. They also assembled a multifunctional all hydrogel-based supercapacitor using the same polyacrylamide hydrogel matrix for both electrodes and electrolyte, which provided a tightly connected interface, structural stability, and highly electrical stability.
MATERIALS TODAY PHYSICS
(2023)
Article
Energy & Fuels
Daba T. T. Bakhoum, Kabir O. O. Oyedotun, Samba Sarr, Ndeye F. F. Sylla, Vusani M. M. Maphiri, Ndeye M. M. Ndiaye, Balla D. D. Ngom, Ncholu Manyala
Summary: In this study, cross-linked polymer-based porous carbonaceous materials were prepared by hydrothermal and chemical vapor deposition methods. The as-prepared samples showed high amorphicity and high specific surface areas. The electrochemical analysis revealed the potential of these materials as electrode materials for supercapacitors. Among them, activated carbon from polyvinyl alcohol/reduced graphene/polyvinyl pyrrolidone exhibited the best electrochemical performance.
JOURNAL OF ENERGY STORAGE
(2022)
Review
Chemistry, Multidisciplinary
Jieun Kang, Dong-Yeob Han, Sungho Kim, Jaegeon Ryu, Soojin Park
Summary: With the rapid growth in electric vehicles and energy storage market, high-energy-density lithium-ion batteries and next-generation rechargeable batteries have been recognized as essential building blocks for future technology. Polymeric materials play a crucial role in these batteries, and the development of advanced polymeric materials is urgently needed to address new challenges.
ADVANCED MATERIALS
(2023)
Review
Chemistry, Multidisciplinary
Geonwoo Kim, Dongbeom Kim, Yoonsun Choi, Arup Ghorai, Gyeongbae Park, Unyong Jeong
Summary: This review introduces several new synthetic approaches to produce large-area single crystal thin films of various materials according to the concepts and principles.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Dong-Yeob Han, Im Kyung Han, Hye Bin Son, Youn Soo Kim, Jaegeon Ryu, Soojin Park
Summary: This study introduces a layering-charged polymeric binder that effectively integrates high-capacity anodes using reversible Coulomb interaction and enriched hydrogen bonding. The charged polymeric binder forms a dynamically charge-directed network on the active materials and efficiently dissipates electrode stress with its excellent mechanical properties. Furthermore, the poly(ethylene glycol) moieties of the binder offer a fast Li-ion conduction pathway that allows for the formation of a thick SiOx-based electrode without compromising reversible capacity.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Physical
Minjun Je, Gyujin Song, Sangyeop Lee, Hyun Jung Park, Joohyuk Kim, Soojin Park
Summary: This study constructs mixed amorphous-crystalline Si (MACS) microparticles with localized heteroatom bridges in a Si crystal from borosilicate glass. The unique structure improves ion diffusivity and electrode integrity, and exhibits high capacity retention and alleviates structural deformation in a fast-charging system. The full cell, paired with LiNi0.6Co0.2Mn0.2O2, shows sustainable capacity retention and electrochemical kinetics over 500 cycles. A low-cost, scalable synthetic system is also demonstrated to assess the feasibility of Si production.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Nanoscience & Nanotechnology
Jieun Kang, Jung-In Lee, Sungho Choi, Yeonghun Choi, Soojin Park, Jaegeon Ryu
Summary: Sodium-ion batteries (SIBs) are a promising power source for large-scale storage due to the abundance and low cost of sodium (Na). However, their limited energy density hampers commercialization. This study presents a rational design of intermetallic inner and outer oxide buffers for bulk Sb anodes, which effectively improve the reversibility and electrode density. The prepared nonporous bulk Sb anode shows excellent reversible capacity and negligible capacity decay over 100 cycles when evaluated with Na3V2(PO4)(3) (NVP) cathode.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Hye Bin Son, Sujee Cho, Kyungeun Baek, Jaeho Jung, Seoha Nam, Dong-Yeob Han, Seok Ju Kang, Hoi Ri Moon, Soojin Park
Summary: Functional metal-organic frameworks (MOFs) can be used as separators in Li-ion batteries (LIBs) to scavenge impurities and enhance battery performance and safety. These multi-functional separators delay cathode deterioration and retain excellent cycle stability, making impurity scavenging an essential aspect in LIB development.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Yuri Choi, Sungho Choi, Inhui Lee, Trang Vu Thien Nguyen, Sanghyun Bae, Yong Hwan Kim, Jaegeon Ryu, Soojin Park, Jungki Ryu
Summary: This study presents an approach utilizing earth-abundant and non-toxic photocatalysts for efficient hydrogen production and biomass reforming using solar energy. Si flakes (SiF) are used for efficient light-harvesting, and Ni-coordinated N-doped graphene quantum dots (Ni-NGQDs) enable efficient and stable biomass reforming and hydrogen production. The SiF/Ni-NGQDs demonstrate record-high hydrogen productivity and vanillin yield under simulated sunlight. This strategy provides valuable insights for the practical applications of solar energy and biomass refinement.
ADVANCED MATERIALS
(2023)
Review
Chemistry, Multidisciplinary
Minjun Je, Dong-Yeob Han, Jaegeon Ryu, Soojin Park
Summary: With the increasing demand for portable electronics, electric vehicles, and grid-scale energy storage systems, the development of next-generation rechargeable batteries with high energy density becomes crucial. Pure silicon has shown potential as a high-capacity electroactive material, but its volume changes during charging and discharging processes lead to issues such as fracturing and capacity decay. This Account highlights the progress made in the development of pure silicon anodes and discusses strategies to overcome these challenges.
ACCOUNTS OF CHEMICAL RESEARCH
(2023)
Article
Nanoscience & Nanotechnology
Minjun Je, Mirim Ham, Sungho Kim, Yewon Park, Soojin Park, Hyunjung Lee
Summary: This paper proposes a fully printable and free-standing anode composed of H-SiOx/C composite material and MXene conductive binder. The anode exhibits high specific capacity, structural reliability, and superior ionic conductivity. The hollow structure of H-SiOx/C accommodates volume changes, while the MXene binder forms a conducting structure without needing a current collector. The printability and free-standing nature of the anode are validated.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Hyeongseok Lee, Gahyun Kim, Youngjin Song, Sungjin Cho, Soojin Park
Summary: Researchers in China have proposed a hybrid system using both liquid electrolytes and sulfide solid-state electrolytes to address the issue of unstable interfacial contact in all-solid-state batteries. Experimental results have shown that this approach effectively improves the interface contact. However, the hybrid system still has limitations and several issues need to be addressed for practical implementation.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Jieun Kang, Seungho Lee, Jinwoo Hwang, Sungho Kim, Sangyeop Lee, Seokkeun Yoo, Jeong Woo Han, Ja-Hyoung Ryu, Jaegeon Ryu, Soojin Park
Summary: This study presents a novel polymeric binder and cohesive graphite cathode design for dual-ion batteries, which shows remarkable stability and performance. The binder forms covalent bonds and a robust three-dimensional network with graphite, enabling deeper and reversible anion intercalation and improving capacity and lifespan.
ADVANCED MATERIALS
(2023)
Article
Engineering, Environmental
Sungryong Kim, Dong-Yeob Han, Gyujin Song, Junwoo Lee, Taiho Park, Soojin Park
Summary: This study reports the development of a resilient binder network with enhanced ionic conductivity for effectively integrating silicon-based anodes. The binder showed exceptional physicochemical properties and exhibited outstanding electrochemical performance, enabling high mass loading and stable cycling in silicon-based anodes.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Eun-Young Choi, Hye Bin Son, Minjoo Kang, Yeongseok Kim, Seoha Nam, Donghyun Jeon, Gha Hyun Kang, Hong-Gil Je, Ji Hyun Park, Jin-Hyeok Jeong, Young Hwan Lee, Tae Sung Ha, Seok Jun Seo, Soojin Park
Summary: This study demonstrates the simultaneous production of gel polymer electrolytes (GPEs) from multiple-stacked lithium-ion batteries through a single-step irradiation of high-energy electron beam. The proposed method offers economic feasibility and high productivity on a commercial scale.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Dong-Yeob Han, Hye Bin Son, Sang Hyun Han, Chi Keung Song, Jaeho Jung, Sangyeop Lee, Su Seok Choi, Woo-Jin Song, Soojin Park
Summary: This study introduces a hierarchical 3D electrode that can construct highly flexible lithium-ion batteries (LIBs) with ultrahigh energy density. The electrode has a bicontinuous structure and uniformly distributes active materials and conductive agents on the 3D framework. The LIBs using the hierarchical 3D electrode demonstrate stable cycling and achieve a record-high energy density and areal capacity, outperforming all previously reported flexible LIBs.
Article
Chemistry, Multidisciplinary
Sungjin Cho, Hye Bin Son, Sangyeop Lee, Soojin Park
Summary: A stable lithium metal anode was achieved by using a functional lithiophilic thin film polymer, which captured HF impurities in the electrolyte and formed a fluorine-rich surface. The lithiophilic properties and the stable solid-electrolyte-interphase layer led to uniform lithium electrodeposition and excellent cell performance in both liquid and solid electrolytes.
CHEMICAL COMMUNICATIONS
(2023)
